| Common name | Klamath largescale sucker |
| Language | English |
| Type | AFS |
| Official trade name | No |
| Rank | 1 - (Legal common name (unique)) |
| Country | United States (contiguous states) |
| Locality | |
| Ref. | Nelson, J.S., E.J. Crossman, H. Espinosa-Pérez, L.T. Findley, C.R. Gilbert, R.N. Lea and J.D. Williams, 2004 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | morphology |
| 1st modifier | locality/area |
| 2nd modifier | |
| Remarks | 'sucker', i.e., an organ in various animals for adhering or holding, a mouth adapted for sucking (Ref. 27888); 'Klamath', i.e., alluding to the Klamath river drainage in Oregon and California. Also Ref. 276. |